Russian Anti Satellite Test

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Graeme1858
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Russian Anti Satellite Test

#1

Post by Graeme1858 »

Russia fired a missile at one of its own satellites over the weekend, generating more than 1,500 pieces of trackable orbital debris and hundreds of pieces of smaller debris, which the US said “now threaten the interests of all nations”.

https://www.theguardian.com/science/202 ... eapon-test
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Re: Russian Anti Satellite Test

#2

Post by Graeme1858 »

"and hundreds of pieces of smaller debris" should read "and hundreds of thousands of pieces of smaller debris"
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Re: Russian Anti Satellite Test

#3

Post by JayTee »

This could not have been a mistake, which only leaves us with this was a malicious act.
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Re: Russian Anti Satellite Test

#4

Post by Graeme1858 »

JayTee wrote: Tue Nov 16, 2021 8:55 am This could not have been a mistake, which only leaves us with this was a malicious act.

Definitely not a mistake, it was an anti satellite missile test by the Russian military!

I wonder if they asked Roscosmos first?

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Re: Russian Anti Satellite Test

#5

Post by notFritzArgelander »

Deplorable.
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Re: Russian Anti Satellite Test

#6

Post by Butterfly Maiden »

How irresponsible :flame:
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Re: Russian Anti Satellite Test

#7

Post by smp »

Here's an article from Art Technica today:
"Russia acknowledges anti-satellite test, but says it’s no big deal"

https://arstechnica.com/science/2021/11 ... -big-deal/

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Re: Russian Anti Satellite Test

#8

Post by helicon »

It seems, on the contrary, like it is a very big deal.
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Re: Russian Anti Satellite Test

#9

Post by Arsene37 »

Crew in the ISS went in their Soyouz and Crew Dragon capsules, just in case of …
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Re: Russian Anti Satellite Test

#10

Post by messier 111 »

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Re: Russian Anti Satellite Test

#11

Post by WilliamPaolini »

OK...let's see...here's what I dug up..

US - conducted anti-satellite (ASAT) tests in 1959 (unknown debris count), 1963 (unknown debris count), 1985 (>2000 pieces of debris). Then in 2008 we did not test the capability but used it to destroy one of our spy satellites in orbit as a way of decommissioning it (~174 pieces of debris -- seems a bit on the low side for a 1500 pound 15 by 7 foot satellite).

CHINA - conducted ASAT test in 2007 (~3500 pieces of debris)

RUSSIA - conducted the current ASAT tests in the 1970s (~700 pieces of debris), and this year, 2021 (~1500 pieces of debris).

INDIA - conducted ASAT test in 2019 (~25 to 50 pieces of debris)

So all four countries have contributed to the junk through these tests. Earth orbit in now openly and publicly the operating domain of both the commercial and military entities of the world's industrial nations. I think it is safe to say that the debris problem is not going to go away through agreed abstinence. So other solutions will need to be employed. Cleaner satellites are probably the best approach. I would imagine that most of the debris is only in a broad equatorial plane. Portions of the polar orbit I imagine are quite clear (just guessing).

PS - the debris counts are of course "trackable" debris only (2-4 inches or greater in size)
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Re: Russian Anti Satellite Test

#12

Post by smp »

Analysis published on Art Technica:
"New images and analyses reveal extent of Cosmos 1408 debris cloud"

https://arstechnica.com/science/2021/11 ... ris-cloud/

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Re: Russian Anti Satellite Test

#13

Post by WilliamPaolini »

No one has mentioned this, but I wonder if this rather large debris field from the Russian test might impact active commercial satellites and cause them to malfunction? If so, and if it can be positively attributed to the Cosmos 1408 debris, then it seems that it would justify international lawsuits against Russia to recover the cost of their satellite. Could become a rather costly test if it generates a number of lawsuits for compensation.
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Re: Russian Anti Satellite Test

#14

Post by smp »

An article from Space.com:
"Russian anti-satellite missile test was the first of its kind"

https://www.space.com/russia-anti-satel ... f-its-kind

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Re: Russian Anti Satellite Test

#15

Post by smp »

Another article from TheVerge.com:
"Visualizations show the extensive cloud of debris Russia’s anti-satellite test created"

https://www.theverge.com/2021/11/19/227 ... alizations

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Re: Russian Anti Satellite Test

#16

Post by GCoyote »

The differences between now and the 1970s & `80s tests are:

1. The accelerating growth in the number of satellites in orbit
2. The exponential growth in the amount of debris
3. The transition of spacecraft from few in number and important only to opaque national security interests to their proliferation and integration into global commerce
4. The late realization and serious analysis demonstrating that Earth orbit is not an unlimited resource - https://en.wikipedia.org/wiki/Kessler_syndrome

FWIW the 2008 US intercept was actually an ABM demonstration shot using a target satellite that was already on its last few orbits at very low altitude. The bulk of that debris cloud has already burned up. Debris in higher orbits can be expected to remain a threat for decades at the least.

Certainly someone in the Russian government made a very bad decision. I will forego speculating as to how that decision came about.
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